Page: Comparison of Various SDLC Models
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Properties of Model Water Fall Model Incremental Model Spiral Model Rad Model
Planning in early stage yes yes Yes No
Returning to an earlier phase No Yes Yes Yes
Handle Large Project Not Appropriate Not Appropriate Appropriate Not Appropriate
Detailed Documentation Necessary Yes but not much Yes Limited
Cost Low Low Expensive Low
Requirement Specifications Beginning Beginning Beginning Timeboxed release
Flexibility to change Dificult Easy Easy Easy
User Involvement Only at beginning Intermediate High Only at tthe beginning
Maintenance Least Promotes Maintainability Typical Easily Maintained
Duration Long Very long Long Short
Risk Involvement High Low Medium to high risk Low
Framework Type Linear Linear + Iterative Linear + Iterative Linear
Testing After completion of coding phase After every iteration At the end of the engineering phase After completion of coding
Overlapping phases No Yes (As parallel development is there) No Yes
Maintenance Least Maintainable Maintainable Yes Easily Maintainable
Re=usability Least Possible To some extent to Some Extent Yes
Time -Frame Very Long Long Long Short
Working software availibility At the end of the life-cycle At the end of every iteration At the end of every iteration at the end of the life cycle
Objective High Assurance Rapid Development High Assurance Rapid development
Team size Large Team NOt Large team Large Team Small Team
Customer control over administrator Very Low Yes Yes Yes
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modified 4 days ago  • written 4 weeks ago by gravatar for stanzaa37 stanzaa370
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